CA2352790A1 - Current collector for electrically operated rail-mounted vehicles - Google Patents
Current collector for electrically operated rail-mounted vehicles Download PDFInfo
- Publication number
- CA2352790A1 CA2352790A1 CA002352790A CA2352790A CA2352790A1 CA 2352790 A1 CA2352790 A1 CA 2352790A1 CA 002352790 A CA002352790 A CA 002352790A CA 2352790 A CA2352790 A CA 2352790A CA 2352790 A1 CA2352790 A1 CA 2352790A1
- Authority
- CA
- Canada
- Prior art keywords
- lever arm
- bell
- rocker
- wearing
- strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/22—Supporting means for the contact bow
- B60L5/28—Devices for lifting and resetting the collector
- B60L5/30—Devices for lifting and resetting the collector using springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/20—Details of contact bow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2270/00—Problem solutions or means not otherwise provided for
- B60L2270/10—Emission reduction
- B60L2270/14—Emission reduction of noise
- B60L2270/142—Emission reduction of noise acoustic
Abstract
The aim of the invention is to significantly reduce the construction space required for the current collector head and at the same time reduce noise emission and wear on the wearing strip. To this end, the rocker (4) consists of at least two single-piece angle levers (10) which are oriented parallel t o the contact wire and arranged perpendicular to each other and which form an angle (8, 9) and have lever arms (8, 9) of different lengths. Said rectangul ar levers are each arranged in such a way that they can pivot about a common, fixed centre of rotation, against the force of a tension spring (12) of slig ht rigidity which acts approximately vertically on the shorter lever (9). The longer lever arm (8) presses directly against the wear strip arrangement and moves the latter in an approximately vertical direction on a part of a circular path with a very large diameter as it rises and falls. A hydraulic rotation damper (13) is located between the angle levers (10) and is activel y connected to the same.
Description
2'3930-362 Current Collector- For Electrically Operated Rail-Mounted Vehicles The present invention relates to a current collector for electrically operated, rail-mounted vehicles, with a streamlined rocker body that is formed as a housing that supports a wearing-strip system, that has horns, and is mounted rigidly on the insulator flange of an insulator.
It is known that the maximum speed that high-speed vehicles, in particular rail-mounted vehicles, can achieve is to a very large extent governed by current collection from the contact wire by way of the current collector that is pressed against the contact wire. There is a contact force between the contact wire and the current collector, and this force can vary over a wide range because of the dynamic interaction between the contact wire and the current collector.
The magnitude of the contact force is greatly influenced by the friction between the wearing strips and the contact wire, the stiffness of the upper conductor, local or temporal changes in geometry caused by different heights of the contact wire and zigzag placement of the contact wire, wear on the wearing strip and the contact wire, different aerodynamic influences that result from changes in the direction of movement and changing vehicle shapes, wind and vehicle speed, vibration of the current collector and of the contact wire, as well as by the changes in flow velocities that are caused by oncoming traffic in tunnels.
Particularly in applications that involve high speeds, these complex factors lead to pronounced variations in the contact forces and thus to interruptions in the supply of electrical energy.
2'3930-362 DE-A 28 30 027 attempts to solve these problems in that the parts of the current collector that are exposed to the air flow are fitted with flow-stabilizing fairings, the current collector head being surrounded by a fairing-like, flow-s stabilizing cover that is lightly constructed from insulating material, the wearing strips of the current collector extending from this.
JP-A 274304-1995 describes a skate support system for railroad-car current collectors. This comprises a skate of elliptical or spherical cross section, whose long axis lies in the direction of travel, a wearing piece that is mounted on the skate and touches the contact wire, a pressure device that presses the wearing piece against the contact wire, a supporting spring that imparts springiness to the skate, and a damper that damps the range of movement of the axis of rotation of the skate. By mounting a relative-wind stabilizing plate to the rear of the skate, the point of contact with the contact wire is shifted behind the axis of rotation of the skate, and the mid-point of the relative wind of the skate is moved behind the point of contact with the contact wire.
It is also known that the skate of a current collector can be arranged either rigidly, or vertically and directly sprung in the current-collector head (EP-A 635 392, JP-A 7123508, EP-A 697 304, DE-A 195 40 914). Common to all of these current collectors is the disadvantage that they require a relatively large amount of installation space and a great deal of material, and generate a great deal of noise. The rigid arrangement of the wearing strips in the current-collector head is of only limited suitability for handling the high-frequency oscillations of the contact wire. One the one hand, at high speeds the great mass of the skate carrier leads 2'3930-362 to excessive wear and, on the other hand-because of the large amount of lift-to the danger of departure from the contact wire, which could result in arcing that can damage the skate.
Given this prior art, it is the objective of the present invention to bring about a marked reduction in the amount of installation space needed for the current-collector head, the amount of noise that is generated, and the amount of wear on the wearing strips.
This objective has been achieved by a device of the type referred to in the introduction hereto, which has the features set out in Patent Claim 1. Advantageous developments of the present invention are set out in the secondary claims.
The present invention makes it possible to house the rocker with all the other components in the streamlined housing of the rocker body, and do this in a compact way, using very little space. At the same time, this ensures a much lower level of noise emission. One significant advantage of the present invention is that the much smaller mass of the current collector means that the wearing strip is subjected to far less wear, and can balance out the high-frequency oscillations of the contact wire without losing contact with it.
Another advantage is that the current collector according to the present invention can be used in the high-speed and the low-speed ranges, so that cost-effective retrofitting of current collectors currently in use is possible without any major modifications having to be made.
The present invention will be described in greater detail below on the basis of the drawings appended hereto.
These drawings show the following:
2'3930-362 Figure 1: a perspective view of the rocker body, with the wearing strip and insulator;
Figure 2: a side view of the rocker with the wearing strip;
Figure 3: a plan view of Figure 2;
Figure 4: a cross section through the wiper body on the line A-A in Figure 3.
As is shown in Figure 1 and Figure 2, an insulator 1 is mounted rigidly on an insulator carrier 2 on the roof of a high-speed vehicle. The insulator flange 2 supports a rocker 4 with a streamlined rocker body 5 in which the wearing strip 6 is installed.
Between the wearing strip 6 and the insulator flange 3 there is a spring damper unit 7 (see Figure 3 and Figure 4).
This spring damper unit 7 is made up of two bracket-like, one-piece bell-crank levers 10 that are space apart by the width of the wearing strip 6, each of which has two lever arms 8, 9 that are perpendicular and joined to each other. Both the lever arms 8, 9 can rotate about a common, fixed point of rotation Dp, the lever arm 8, which is somewhat longer relative to the lever arm 9, being hinged by its slightly upturned end to the wearing strip system 11. The shorter lever arm is secured at the other end to a draw spring 12 that is secured to the insulator flange 3 so as to be adjustable. Between the two bell-crank levers that are positioned so as to be parallel to each other there is an hydraulic damper 13, the operating element 14 of which engages in an elongated slot 15 made in the bell-crank lever 10. When a force acts on the wearing strip 6, the draw spring 12 permits a rotary movement of the lever 10, so that the lever arm 8 that is angled slightly upwards 2'3930-362 completes a rotary or pivoting movement towards the wearing strip system. This pivoting movement is continuously absorbed and damped by the rotary damper 13. The draw springs 12 are not particularly stiff. This spring damper 7 permits only a 5 vertical springing motion. The rigid attachment of the rocker body 5 on the insulator 1 ensures that wind loading is absorbed by the streamlined rocker body, so that only a very small aerodynamic part acts on the wearing strip.
The rocker 4 incorporates horns 16 (see Figure 1) that can be adjusted to various rocker widths, for example, 1950 mm and 1600 mm, by a pneumatic drive system 17 that is mounted in the rocker body 5.
Key to Reference Numbers Used in the Drawings 1 insulator 2 insulator carrier 3 insulator flange 4 rocker 5 rocker body 6 wearing strip 7 spring damper unit 8 long lever arm 9 short lever arm 10 bell-crank lever 11 wearing-strip holder 12 draw spring 13 rotary damper 14 operating element 15 slot 16 horn 17 pneumatic drive system Dp point of rotation
It is known that the maximum speed that high-speed vehicles, in particular rail-mounted vehicles, can achieve is to a very large extent governed by current collection from the contact wire by way of the current collector that is pressed against the contact wire. There is a contact force between the contact wire and the current collector, and this force can vary over a wide range because of the dynamic interaction between the contact wire and the current collector.
The magnitude of the contact force is greatly influenced by the friction between the wearing strips and the contact wire, the stiffness of the upper conductor, local or temporal changes in geometry caused by different heights of the contact wire and zigzag placement of the contact wire, wear on the wearing strip and the contact wire, different aerodynamic influences that result from changes in the direction of movement and changing vehicle shapes, wind and vehicle speed, vibration of the current collector and of the contact wire, as well as by the changes in flow velocities that are caused by oncoming traffic in tunnels.
Particularly in applications that involve high speeds, these complex factors lead to pronounced variations in the contact forces and thus to interruptions in the supply of electrical energy.
2'3930-362 DE-A 28 30 027 attempts to solve these problems in that the parts of the current collector that are exposed to the air flow are fitted with flow-stabilizing fairings, the current collector head being surrounded by a fairing-like, flow-s stabilizing cover that is lightly constructed from insulating material, the wearing strips of the current collector extending from this.
JP-A 274304-1995 describes a skate support system for railroad-car current collectors. This comprises a skate of elliptical or spherical cross section, whose long axis lies in the direction of travel, a wearing piece that is mounted on the skate and touches the contact wire, a pressure device that presses the wearing piece against the contact wire, a supporting spring that imparts springiness to the skate, and a damper that damps the range of movement of the axis of rotation of the skate. By mounting a relative-wind stabilizing plate to the rear of the skate, the point of contact with the contact wire is shifted behind the axis of rotation of the skate, and the mid-point of the relative wind of the skate is moved behind the point of contact with the contact wire.
It is also known that the skate of a current collector can be arranged either rigidly, or vertically and directly sprung in the current-collector head (EP-A 635 392, JP-A 7123508, EP-A 697 304, DE-A 195 40 914). Common to all of these current collectors is the disadvantage that they require a relatively large amount of installation space and a great deal of material, and generate a great deal of noise. The rigid arrangement of the wearing strips in the current-collector head is of only limited suitability for handling the high-frequency oscillations of the contact wire. One the one hand, at high speeds the great mass of the skate carrier leads 2'3930-362 to excessive wear and, on the other hand-because of the large amount of lift-to the danger of departure from the contact wire, which could result in arcing that can damage the skate.
Given this prior art, it is the objective of the present invention to bring about a marked reduction in the amount of installation space needed for the current-collector head, the amount of noise that is generated, and the amount of wear on the wearing strips.
This objective has been achieved by a device of the type referred to in the introduction hereto, which has the features set out in Patent Claim 1. Advantageous developments of the present invention are set out in the secondary claims.
The present invention makes it possible to house the rocker with all the other components in the streamlined housing of the rocker body, and do this in a compact way, using very little space. At the same time, this ensures a much lower level of noise emission. One significant advantage of the present invention is that the much smaller mass of the current collector means that the wearing strip is subjected to far less wear, and can balance out the high-frequency oscillations of the contact wire without losing contact with it.
Another advantage is that the current collector according to the present invention can be used in the high-speed and the low-speed ranges, so that cost-effective retrofitting of current collectors currently in use is possible without any major modifications having to be made.
The present invention will be described in greater detail below on the basis of the drawings appended hereto.
These drawings show the following:
2'3930-362 Figure 1: a perspective view of the rocker body, with the wearing strip and insulator;
Figure 2: a side view of the rocker with the wearing strip;
Figure 3: a plan view of Figure 2;
Figure 4: a cross section through the wiper body on the line A-A in Figure 3.
As is shown in Figure 1 and Figure 2, an insulator 1 is mounted rigidly on an insulator carrier 2 on the roof of a high-speed vehicle. The insulator flange 2 supports a rocker 4 with a streamlined rocker body 5 in which the wearing strip 6 is installed.
Between the wearing strip 6 and the insulator flange 3 there is a spring damper unit 7 (see Figure 3 and Figure 4).
This spring damper unit 7 is made up of two bracket-like, one-piece bell-crank levers 10 that are space apart by the width of the wearing strip 6, each of which has two lever arms 8, 9 that are perpendicular and joined to each other. Both the lever arms 8, 9 can rotate about a common, fixed point of rotation Dp, the lever arm 8, which is somewhat longer relative to the lever arm 9, being hinged by its slightly upturned end to the wearing strip system 11. The shorter lever arm is secured at the other end to a draw spring 12 that is secured to the insulator flange 3 so as to be adjustable. Between the two bell-crank levers that are positioned so as to be parallel to each other there is an hydraulic damper 13, the operating element 14 of which engages in an elongated slot 15 made in the bell-crank lever 10. When a force acts on the wearing strip 6, the draw spring 12 permits a rotary movement of the lever 10, so that the lever arm 8 that is angled slightly upwards 2'3930-362 completes a rotary or pivoting movement towards the wearing strip system. This pivoting movement is continuously absorbed and damped by the rotary damper 13. The draw springs 12 are not particularly stiff. This spring damper 7 permits only a 5 vertical springing motion. The rigid attachment of the rocker body 5 on the insulator 1 ensures that wind loading is absorbed by the streamlined rocker body, so that only a very small aerodynamic part acts on the wearing strip.
The rocker 4 incorporates horns 16 (see Figure 1) that can be adjusted to various rocker widths, for example, 1950 mm and 1600 mm, by a pneumatic drive system 17 that is mounted in the rocker body 5.
Key to Reference Numbers Used in the Drawings 1 insulator 2 insulator carrier 3 insulator flange 4 rocker 5 rocker body 6 wearing strip 7 spring damper unit 8 long lever arm 9 short lever arm 10 bell-crank lever 11 wearing-strip holder 12 draw spring 13 rotary damper 14 operating element 15 slot 16 horn 17 pneumatic drive system Dp point of rotation
Claims (8)
1. Current collector for an electrically powered, rail-mounted vehicle, with a rocker body that supports a wearing strip, is formed as a housing, and incorporates horns, and is rigidly attached to the insulator body, and with a rocker that is arranged in the housing, characterized in that the rocker (4) is made up of at least two bell-crank levers (10), each of which comprises at least two one-piece lever arms (8, 9) of different lengths that are parallel to the direction of travel, subtend an angle with each other, and are perpendicular to each other, each bell-crank lever being arranged so as to pivot about a fixed point of rotation (Dp) against the force of a draw spring (12) that is of low stiffness and that acts more or less perpendicularly to the shorter lever arm (9), the longer lever arm (8) pressing directly against the wearing strip (11), and moving this vertically or approximately so on part of a circular path of very large diameter as it rises and falls; and in that a hydraulic rotary damper (13) is arranged between the bell-crank levers (10) and actively connected to the bell-crank levers (10).
2. Device as defined in Claim 1, characterized in that there are elongated slots (15), which are aligned with each other, in the longer lever arm (8).
3. Device as defined in Claim 1 and Claim 2, characterized in that the active connection between the rotary damper (13) and the bell-crank levers (10) is an operating element (14) that fits in the elongated slots (15) as a sliding block.
4. Device as defined in Claim 1 to Claim 3, characterized in that the longer lever arm (9) has one end that is curved upward towards the wearing-strip system.
5. Device as defined in Claim 1 to Claim 3, characterized in that the bell-crank levers are made of punched steel.
6. Device as defined in Claim 1 to Claim 5, characterized in that a mechanical rotary damper is used in place of an hydraulic rotary damper (13), this comprising lever arms which at one end are arranged so as to be vertically aligned with the point of rotation (Dp) on the shorter lever arm (8) so as to be able to pivot about another fixed point of rotation, and at the other end is arranged on the wearing-strip system, beneath the articulation point of the longer lever arm (8), so as to be able to pivot.
7. Device as defined in Claim 1 to Claim 6, characterized in that the draw spring (12) is secured to the insulator flange (3) so as to be adjustable.
8. Device as defined in one or more of the preceding claims, characterized in that the rocker- body housing is of glass-fibre reinforced plastic or carbon-fibre reinforced plastic.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19856636.0 | 1998-12-03 | ||
| DE19856636A DE19856636C2 (en) | 1998-12-03 | 1998-12-03 | Current collectors for electrically operated rail vehicles |
| PCT/EP1999/009752 WO2000032437A1 (en) | 1998-12-03 | 1999-11-26 | Current collector for electrically operated rail-mounted vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2352790A1 true CA2352790A1 (en) | 2000-06-08 |
Family
ID=7890407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002352790A Abandoned CA2352790A1 (en) | 1998-12-03 | 1999-11-26 | Current collector for electrically operated rail-mounted vehicles |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1140550A1 (en) |
| JP (1) | JP2002532041A (en) |
| KR (1) | KR20010086069A (en) |
| CN (1) | CN1329549A (en) |
| AU (1) | AU1864000A (en) |
| CA (1) | CA2352790A1 (en) |
| DE (1) | DE19856636C2 (en) |
| PL (1) | PL347930A1 (en) |
| WO (1) | WO2000032437A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101062660B (en) * | 2006-04-29 | 2011-05-11 | 上海磁浮交通工程技术研究中心 | Current acceptor for current enter and reflux |
| DE102010003874A1 (en) | 2010-04-12 | 2011-10-13 | Hoffmann & Co. Elektrokohle Ag | Sanding strip for a sliding contact device and method for producing a sanding strip |
| CN102092297B (en) * | 2011-01-14 | 2012-12-12 | 西南交通大学 | Sealed spring box for connecting pantograph head of pantograph with pantograph connecting frame |
| WO2014040656A1 (en) * | 2012-09-12 | 2014-03-20 | Bombardier Transportation Gmbh | Rail vehicle having acoustically optimized attachment of a current collector device |
| CN103042931A (en) * | 2013-01-28 | 2013-04-17 | 李丰良 | Fish belly high speed pantographic slipper |
| CN103358916B (en) * | 2013-08-01 | 2015-07-29 | 南车株洲电力机车有限公司 | A kind of elec. vehicle and current-collecting device thereof |
| DE102014101090B4 (en) | 2014-01-29 | 2019-01-03 | Reinhold Schulte | Pantograph-spring-damper assembly |
| CN105818694A (en) * | 2016-03-17 | 2016-08-03 | 中车株洲电力机车有限公司 | Self-adaptive adjusting method, device and system for bow-net contact pressure |
| CN111976493A (en) * | 2020-08-17 | 2020-11-24 | 西安交通大学 | Rotary pantograph head |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE509274C (en) * | 1927-06-17 | 1930-10-07 | Julius Fischer Von Tovaros | Current collector device with a current collector plate |
| AT357606B (en) * | 1977-07-12 | 1980-07-25 | Siemens Ag Oesterreich | VERTICAL LEADED HIGH-SPEED CURRENT COLLECTOR |
| JPH0731004A (en) * | 1993-07-09 | 1995-01-31 | Toyo Electric Mfg Co Ltd | Current collector |
| JP2844425B2 (en) * | 1993-07-22 | 1999-01-06 | 西日本旅客鉄道株式会社 | Low aerodynamic current collector |
| JPH07123508A (en) * | 1993-10-26 | 1995-05-12 | Hitachi Ltd | Current collector for stringing |
| JPH07264703A (en) * | 1994-03-18 | 1995-10-13 | Hitachi Ltd | Current collecting device |
| JP3530222B2 (en) * | 1994-03-29 | 2004-05-24 | 財団法人鉄道総合技術研究所 | Hull support mechanism for current collectors for railway vehicles |
| JPH0865808A (en) * | 1994-08-19 | 1996-03-08 | Hitachi Ltd | Method and apparatus for collecting current |
| JPH08172703A (en) * | 1994-12-20 | 1996-07-02 | Hitachi Ltd | Power collector |
| JPH08205308A (en) * | 1995-01-27 | 1996-08-09 | Hitachi Ltd | Current collector for car |
| DE19540914C2 (en) * | 1995-11-03 | 2000-11-16 | Deutsch Zentr Luft & Raumfahrt | Pantographs for the transmission of energy between a contact wire and a railcar |
-
1998
- 1998-12-03 DE DE19856636A patent/DE19856636C2/en not_active Expired - Fee Related
-
1999
- 1999-11-26 KR KR1020017006811A patent/KR20010086069A/en not_active Application Discontinuation
- 1999-11-26 PL PL99347930A patent/PL347930A1/en unknown
- 1999-11-26 AU AU18640/00A patent/AU1864000A/en not_active Abandoned
- 1999-11-26 CA CA002352790A patent/CA2352790A1/en not_active Abandoned
- 1999-11-26 WO PCT/EP1999/009752 patent/WO2000032437A1/en not_active Application Discontinuation
- 1999-11-26 EP EP99962248A patent/EP1140550A1/en not_active Withdrawn
- 1999-11-26 JP JP2000585099A patent/JP2002532041A/en not_active Ceased
- 1999-11-26 CN CN99813995A patent/CN1329549A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN1329549A (en) | 2002-01-02 |
| DE19856636A1 (en) | 2000-06-15 |
| AU1864000A (en) | 2000-06-19 |
| KR20010086069A (en) | 2001-09-07 |
| PL347930A1 (en) | 2002-04-22 |
| WO2000032437A1 (en) | 2000-06-08 |
| EP1140550A1 (en) | 2001-10-10 |
| JP2002532041A (en) | 2002-09-24 |
| DE19856636C2 (en) | 2001-10-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |